Category Archives: GIA Certified Diamonds


sparkle.jpgArlington & Co – Hatton Garden, Sparkle on Bonfire Night.

Or any other night with a an original piece of Arlington & Co. Jewellery. We design and manufacture all of our fine diamond jewellery in our onsite design workshop.

For more details please visit us in store at 11 Hatton Garden London or message us at



Arlington & Co. Hatton Garden – Diamonds For April.

Diamonds are a girls best friend but also the gemstone for April birthdays. If you are looking for beautifully made diamond jewellery, have a jewellery commission in mind for a special occasion or need some inspiration – look no further than Arlington & Co. we design and manufacture all of our jewellery in house. Please feel welcome to visit us in our Hatton Garden showroom.


Arlington & Co. Hatton Garden – GIA Article 4 or 6 prongs?

What is a prong? Prongs were designed for single stone or solitaire rings and act like a claw, holding a diamond securely in place in a visually unobtrusive way. Learn the difference between 4 vs. 6-prong engagement ring settings.




Arlington & Co Hatton Garden – Diamond Shapes

Choosing the right diamond can be a difficult decison to make for many people. Especially if you are buying a diamond as a surprise. Here is a rough guide of the different shapes available at Arlington & Co. which are incorporated into our jewellery.

Round Brilliant Cut Diamonds: The most popular shape of diamond. This diamond is cut to maximise the brilliance and fire of a diamond.

Princess Cut Diamond: Square in shape with more facets than the round brilliant cut normally. Second in popularity and is a relatively new cut created in the 1960s.

Marquise Cut: The perfect shape for maximising carat weight due to the long length of this cut. Is also a good shape for small or large hands.

Cushion Cut: Named due to the shape of this stone – pillow shaped. It is available in square or oblong shapes with soft rounded edges.

Emerald Cut: Oblong in shape with step cuts, the nature of the cut of this diamond showcase beautifully the colour and clarity of each gleaming stone.

Radiant Cut: A unique style of cut, radiant cut diamonds feature uniquely trimmed corners which combines the lines of an emerald cut with the brilliance of a round diamond.

Pear Shape: Combining the marquise and round brilliant cut shapes this tear drop shape diamond can give hands a slimmer appearance and are also beautiful incorporated into pendants.

Oval Shape: An elongated round brilliant cut diamond this elegant diamond shape lends itself to long slender fingers and has a beautiful bow tie effect to the centre.

Asscher Cut: A sparkly square emerald cut diamond, introuduced in the 1920’s beautiful as a solitaire or set with other diamonds.


Arlington & Co. Hatton Garden – Diamond Trilogy Engagement Rings.

Representing your past present and future. Arlington and Co. design and handmade all of our three stone engagement rings in our on site workshop.

These designs are available with different shape diamonds and also coloured gemstones.

Working in Platinum, Yellow Gold and Rose Gold, we can create the perfect engagement ring to your own specifications.




Arlington & Co. Hatton Garden – Conflict Free Diamonds.

Arlington & Co. will not knowingly sell ‘conflict diamonds’ and to the best of our ability we will undertake reasonable measures to help prevent the sale of ‘conflict diamonds’ in this country. All Arlington & Co. diamonds have been purchased from legitimate sources not involved in funding conflict and in compliance with United Nations resolutions. We guarantee that these diamonds are conflict free, based on personal knowledge and or written guarantees provided by our suppliers. Arlington & Co. are registered members of the ‘Stop Blood Diamonds’ association and have agreed to follow the outlined terms of being a registered member to promote the use of conflict free diamonds. To show our support for the Kimberly Process. To express our desire for a steady supply of clean diamonds.

Diamond Industry: To provide our customers with accurate information regarding our diamonds. Leting them know about the practices of diamond mining and trading. Emphasising the need for effective and continuous campaign against blood diamonds and for measures to be strictly employed.